Geotechnical Engineering

Geotechnical Engineering

EPI is a full-service Geotechnical Engineering company that provides soils, geology, foundation engineering, geotechnical, and geological engineering services.  EPI provides consulting and testing services to clients in Illinois, Indiana, and Wisconsin on a variety of development projects including: office/warehouse facilities, mid and high-rise condominiums, town home developments, and single family residences.  The majority of our clients are property owners, institutional lenders, architects, engineering firms, holding companies, developers, public and government agencies, law firms, and construction companies. EPI’s geotechnical investigations aid in the design of building foundations and pre-development planning.

EPI’s Laboratory Services Include:

  • Atterberg Limits
  • Consolidation
  • Material Gradation
  • Moisture Density Relationship (Proctor Analysis)
  • Organic Content
  • Permeability
  • Soil Classification
  • Soil Density
  • Unconfined Compressive Strength
  • Moisture Content

EPI’s Field Investigation Services Include:

  • Inclinometer Installation/Monitoring
  • Monitoring/Analysis of Load Tests (Pile/Auger-Cast/Caisson)
  • Piezometer Installation/Monitoring
  • Settlement Plates Installation/Monitoring
  • Soil Test Borings
  • Test pits

EPI’s Geotechnical Services Include:

  • Subsurface Investigations
  • Design Recommendations & Engineering Resist Dynamic Loading
  • Dewatering & Sub-Drainage Systems
  • Earth Dams, Retention Structures, & Embankments
  • Foundation Engineering
  • Ground Modification Techniques
  • Groundwater, Hydrologic, & Hydrogeologic Studies
  • Investigation of Settlement & Subsidence
  • Pavement Design Parameters

EPI’s Deep Foundation Services include:

  • Caissons
  • Rammed Aggregate Piers (RAP)
  • Grouted Hollow Bar Micropile
  • Driven Pile
  • Helical Pulldown Micropiles

For additional references and qualifications, please contact us at